001    /**
002     *  Licensed to the Apache Software Foundation (ASF) under one or more
003     *  contributor license agreements.  See the NOTICE file distributed with
004     *  this work for additional information regarding copyright ownership.
005     *  The ASF licenses this file to You under the Apache License, Version 2.0
006     *  (the "License"); you may not use this file except in compliance with
007     *  the License.  You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     *  Unless required by applicable law or agreed to in writing, software
012     *  distributed under the License is distributed on an "AS IS" BASIS,
013     *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     *  See the License for the specific language governing permissions and
015     *  limitations under the License.
016     */
017    
018    package org.apache.geronimo.deployment.util;
019    
020    import java.io.InputStream;
021    import java.io.IOException;
022    
023    /**
024     * This class is a workaround for XMLBeans unfortunate habit of closing streams it reads from
025     * combined with JarInputStreams insistence that you cant do that.
026     *
027     * @version $Rev: 706640 $ $Date: 2008-10-21 14:44:05 +0000 (Tue, 21 Oct 2008) $
028     *
029     * */
030    public class UnclosableInputStream extends InputStream {
031    
032        private final InputStream delegate;
033    
034        public UnclosableInputStream(InputStream delegate) {
035            this.delegate = delegate;
036        }
037    
038        public void close() {
039        }
040    
041        public int available() throws IOException {
042            return delegate.available();
043        }
044    
045        public void mark(int readLimit) {
046            delegate.mark(readLimit);
047        }
048    
049        public boolean markSupported() {
050            return delegate.markSupported();
051        }
052    
053        public int read() throws IOException {
054            return delegate.read();
055        }
056    
057        public int read(byte[] buffer) throws IOException {
058            return delegate.read(buffer);
059        }
060    
061        public int read(byte[] buffer, int offset, int length) throws IOException {
062            return delegate.read(buffer, offset, length);
063        }
064    
065        public void reset() throws IOException {
066            delegate.reset();
067        }
068    
069        public long skip(long n) throws IOException {
070            return delegate.skip(n);
071        }
072    
073    
074    }